can通讯进不了接收中断，很困惑，已经好几天了

只看该作者 · 2020-4-2 10:30

本帖最后由 1156807738 于 2020-4-2 10:32 编辑

各位前辈，请指导下我这个菜**，一直找不到原因。板子是F103ZET6
现象：
USB-CAN连接板子后，通过CANTEXT发送数据给F103，发送成功，但板子一直未进入接收中断。
F103可正常发送数据给上位机软件。

有前辈，有时间可以给看下到底哪的问题吗
int main(void)
{

  /* USER CODE BEGIN 1 */

  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */

  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  CarCanInit();
  MX_USART1_UART_Init();
  /* USER CODE BEGIN 2 */

  /* USER CODE END 2 */
  //unsigned char len;
// unsigned char buf[20] = {1,2,3,4,5,6,7,8,9};

  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
      // HAL_UART_Transmit(&huart1,buf,20,1000);
      // HAL_Delay(1000);
/* USER CODE END WHILE */
#if 1

         CAN_RX_FRAME * pxRecFrame = NULL;
         CAN_TX_FRAME  xTxCarData;
         /*
         xTxCarData.xTxHeader.StdId = 0x123;
            xTxCarData.xTxHeader.IDE = CAN_ID_STD;    //标准帧
         xTxCarData.xTxHeader.RTR = CAN_RTR_DATA; //数据帧
         xTxCarData.xTxHeader.DLC = 4;
         xTxCarData.ucData[0] = 0;
         xTxCarData.ucData[1] = 1;
         xTxCarData.ucData[2] = 2;
         xTxCarData.ucData[3] = 3;
         PHY_CAN1_TX(&xTxCarData);
         HAL_Delay(500);
         */
         pxRecFrame = PHY_CAN1_READ();

         if(NULL==pxRecFrame)
         {
            continue;
         }
         //HAL_UART_Transmit(&huart1,buf,20,1000);
            HAL_UART_Transmit(&huart1,pxRecFrame->ucData,4,1000);
         PHY_CAN1_FIFO_RELEASE(); //处理结束清空对应的fifo
            HAL_Delay(1000);
#endif
  }
/* USER CODE BEGIN 3 */

  /* USER CODE END 3 */
}

void CarCanInit(void)
{
      Phy_CanInit(CAN1, CAN_BAUD_50K, &pxCarCan);
Obj_CarCanFilterSet(&hcan1);
HAL_CAN_Start(&hcan1);
}

void HAL_CAN_MspInit(CAN_HandleTypeDef* hcan)
{
  if(hcan->Instance==CAN1)
  {
  /* USER CODE BEGIN CAN1_MspInit 0 */
      GPIO_InitTypeDef GPIO_InitStruct = {0};
  /* USER CODE END CAN1_MspInit 0 */
/* Peripheral clock enable */

__HAL_RCC_CAN1_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();

GPIO_InitStruct.Pin= GPIO_PIN_12;                         //PA12
GPIO_InitStruct.Mode=GPIO_MODE_AF_PP;       //推挽复用
GPIO_InitStruct.Pull=GPIO_PULLUP;             //上拉
GPIO_InitStruct.Speed=GPIO_SPEED_FREQ_HIGH; //高速
HAL_GPIO_Init(GPIOA,&GPIO_InitStruct);       //初始化

GPIO_InitStruct.Pin=GPIO_PIN_11;                            //PA11
GPIO_InitStruct.Mode=GPIO_MODE_AF_INPUT;          //推挽复用
HAL_GPIO_Init(GPIOA,&GPIO_InitStruct);       //初始化
  /* USER CODE BEGIN CAN1_MspInit 1 */
HAL_NVIC_SetPriority(CAN1_RX0_IRQn, 2, 0); //仅次于SPI
HAL_NVIC_EnableIRQ(CAN1_RX0_IRQn);

  /* USER CODE END CAN1_MspInit 1 */
  }

}

//直接再这里写的中断处理函数，上位机发送数据，不进入这里的中断
void CAN1_RX1_IRQHandler(void)
{
  /* USER CODE BEGIN CAN1_RX1_IRQn 0 */

  /* USER CODE END CAN1_RX1_IRQn 0 */
      PHY_CAN1_RX_IRQ_HANDLER();
  /* USER CODE BEGIN CAN1_RX1_IRQn 1 */

  /* USER CODE END CAN1_RX1_IRQn 1 */
}